﻿using System;
using System.Collections.Generic;
using Windows.UI;
using Windows.UI.Xaml.Controls;

namespace TestApp2.Historys
{
    public enum HistoryType
    {
        Bitmap,
    }

    public abstract class HistoryBase
    {
        public abstract HistoryType Type { get; }
        public abstract object UndoParameter { get; protected set; }
        public abstract object RedoParameter { get; protected set; }
    }
}